package com.itheima.domain;

import org.w3c.dom.ls.LSOutput;

public class ArrIndex {
    public static void main(String[] args) {
        int []arr= new int[3];
        System.out.println(arr[0]);
        System.out.println(arr[1]);
        System.out.println(arr[2]);


        System.out.println("------------");

        arr[0]=11;
        arr[1]=12;
        arr[2]=13;
        System.out.println(arr[0]);
        System.out.println(arr[1]);
        System.out.println(arr[2]);
    }
}
